One General size fits all- adjustable
Black hat ;LED light with fiber optic wire as brim
CR2032 Cell Battery operated ,continuous use up to 72 hours. (Battery Replaceable)
Lighting way: Constant on/Quick flashing/Slow Flashing
Perfect for night eye catcher and party favor .
Glovion Fashion LED Light Up Baseball Hat Glow Party Cap - B00LSOVIOO